pokeb (owner)

Revisions

gist: 150447 Download_button fork
public
Description:
An example showing how to manage a queue with ASIHTTPRequest
Public Clone URL: git://gist.github.com/150447.git
Embed All Files: show embed
Objective-C #
raw 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103

//
//  MyController.h
//
//  Created by Ben Copsey on 20/07/2009.
//  Copyright 2009 All-Seeing Interactive. All rights reserved.
//
 
#import <Foundation/Foundation.h>
#import <GHUnit/GHUnit.h>
@class ASINetworkQueue;
 
@interface MyController : NSObject {
	ASINetworkQueue *networkQueue;
 
}
 
- (void)doNetworkOperations;
 
@property (retain) ASINetworkQueue *networkQueue;
 
@end
 
-------------------------------------------------------------------
 
//
//  MyController.m
//
//  Created by Ben Copsey on 20/07/2009.
//  Copyright 2009 All-Seeing Interactive. All rights reserved.
//
 
#import "MyController.h"
#import "ASIHTTPRequest.h"
#import "ASINetworkQueue.h"
 
@implementation MyController
 
- (void)dealloc
{
	[networkQueue release];
	[super dealloc];
}
 
- (void)doNetworkOperations
{
	// Stop anything already in the queue before removing it
	[[self networkQueue] cancelAllOperations];
 
	// Creating a new queue each time we use it means we don't have to worry about clearing delegates or resetting progress tracking
	[self setNetworkQueue:[ASINetworkQueue queue]];
	[[self networkQueue] setDelegate:self];
	[[self networkQueue] setRequestDidFinishSelector:@selector(requestFinished:)];
	[[self networkQueue] setRequestDidFailSelector:@selector(requestFailed:)];
	[[self networkQueue] setQueueDidFinishSelector:@selector(queueFinished:)];
 
	int i;
	for (i=0; i<5; i++) {
		ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://allseeing-i.com"]];
		[[self networkQueue] addOperation:request];
	}
 
	[[self networkQueue] go];
}
 
- (void)requestFinished:(ASIHTTPRequest *)request
{
	// You could release the queue here if you wanted
	if ([[self networkQueue] requestsCount] == 0) {
 
		// Since this is a retained property, setting it to nil will release it
		// This is the safest way to handle releasing things - most of the time you only ever need to release in your accessors
		// And if you an Objective-C 2.0 property for the queue (as in this example) the accessor is generated automatically for you
		[self setNetworkQueue:nil]; 
	}
 
	//... Handle success
	NSLog(@"Request finished");
}
 
- (void)requestFailed:(ASIHTTPRequest *)request
{
	// You could release the queue here if you wanted
	if ([[self networkQueue] requestsCount] == 0) {
		[self setNetworkQueue:nil]; 
	}
 
	//... Handle failure
	NSLog(@"Request failed");
}
 
 
- (void)queueFinished:(ASINetworkQueue *)queue
{
	// You could release the queue here if you wanted
	if ([[self networkQueue] requestsCount] == 0) {
		[self setNetworkQueue:nil]; 
	}
	NSLog(@"Queue finished");
}
 
@synthesize networkQueue;
@end